Finding the Fourth Proportional to 1,816,371.56, 2,723,611.28 and 678,197.72
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Solution
The fourth proportional to 1,816,371.56, 2,723,611.28 and 678,197.72 is: 1,016,943.33
Step by Step Solution
- Step 1: Write the proportion equation
1,816,371.56 : 2,723,611.28 = 678,197.72 : x - Step 2: Convert to fraction form
1,816,371.56/2,723,611.28 = 678,197.72/x - Step 3: Cross multiply
1,816,371.56x = 2,723,611.28 × 678,197.72 - Step 4: Simplify right side
1,816,371.56x = 1,847,146,943,253.24 - Step 5: Solve for x
x = 1,847,146,943,253.24/1,816,371.56 - Step 6: Final answer
x = 1,016,943.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.